{"id":"CVE-2015-5964","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-5964","generatedAt":"2026-10-27T18:47:17.494Z","title":"The (1) contrib.sessions.backends.base.SessionBase.flush and (2) cache_db.SessionStore.flush functions in Django 1.7.x before 1.7.10, 1.4.x before 1.4.22, and possibly other versions create empty sessions in certain circumstances, which allows remote…","description":"The (1) contrib.sessions.backends.base.SessionBase.flush and (2) cache_db.SessionStore.flush functions in Django 1.7.x before 1.7.10, 1.4.x before 1.4.22, and possibly other versions create empty sessions in certain circumstances, which allows remote attackers to cause a denial of service (session store consumption) via unspecified vectors.","published":"2015-08-24T14:59:10.000Z","lastModified":"2026-06-17T00:30:12.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-399"],"affected":["djangoproject/django","canonical/ubuntu linux","oracle/solaris"],"epss":{"score":0.04969,"percentile":0.92136,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (4.97%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172084.html","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1766.html","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1767.html","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1894.html","source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2015/dsa-3338","source":"cve@mitre.org"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/76440","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1033318","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2720-1","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.djangoproject.com/weblog/2015/aug/18/security-releases/","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172084.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1766.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1767.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1894.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2015/dsa-3338","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/76440","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1033318","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2720-1","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.djangoproject.com/weblog/2015/aug/18/security-releases/","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-5964","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}